Fastener-inserting machine.



s; A. DOBYNE. FASTENER INSERTING MACHINE.

APPLICATION FILED APR. 6, I914.

Patented Dec. 3, 1918.

6 SHEETS-SHEET l.

s. A. DOBY NE. FASTENER INSERTING MACHINE.

APPLICATION HLED APR-6. 19M.

Patented Dec. 3, 1918.-

6 SHEETS-SHEET 2- S. A. DOBYNE.

FASTENER INSERTING MACHINE.

APPLIC'ATION man APR.6. I914.

Patented Dec. 3, 1918.

6 SHEETS-SHEET 3.

In: mum nun m, mmuvua. wAsmqnou. n c

S. A. DOBYNE.

FASTENER INSERTING MACHINE. APPLICATION FILED APR.6.1914.

Patented Dec. 3, 1918.

6 SHEETS-SHEET 4.

mmsm

ms Nrmms PETER-i m, Puma-union wasumcwu. a c.

S. A. DOBYNE. FASTENER INSERTING MACHINE.

' Pi wanted Dec. 3,1918.

6 SHEETS-SHEET 5 lus rlrln m. mwmumm. wuumuv S. A. DOBYNE. FASTENERINSERTING MACHINE.

' APPLICATION mzo APELB. 1914. 1,286,559., Patented Dec. 3, 1918.%W%%-Ens smn 6.

am. y

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at my s'rsriinnn. DOBYNE, oFs'r. Louis, MISSOURI, ASSIG-NOR T0oiieiytrron SHOE MAci iN ERY COMPANY, or sr. LOUIS, lviissounil'ooisronnrioivor MIssou sI.

rnsrmvnn-insnnrme ninoiirnn,

To al whom it may n rn:

Be itk owe t t I, ST P EN A QB a a citizen of the UhitedStates, residingat St. Louis in the Stete ofMissouri, have nvented. ermi w a d u u pro emerits in Fastener-Inserting Machines,

which the following is a specification.

h 's mventlo e ates t ast n r i tmg mach nes and, moreparticularlyitoman esknown as string nailing machines, such as shown n apatentof G. A. and A.

ebi/ e NQ- 150.9 .29. 3, March/2 119 1 of hich. th in e n l n m vement?Some of the objectsot this invention are,

to improve the construction of machines of this type, and moreparticularly, toimprove the construction of the machine of said parcut,so as to makeits action more positive nd cert ji ge t0 mpro t e it lct nand operation of the throat, fastener stock guide, and and driver.

Further objects ill appear .from the detail description, taken inconnection with he w m ny ns d awings, i wh Figured is a frontelevationfof a machine embodying this invention,

Fig.2 is a side elevation from the right Fig. 8 is a section on the lineFig. 6,

Fig. 9 is a side elevation of the fastener stock guide,

IigflO is a front elevation, Fig. .11 is a :detail side elevationfof thefastener guiding member,

Fig. 12 is a perspective vievv of the die plate.

Figs. 13 to ,16inclusive are views of the cams 14 15 andlfi, the viewsbeing taken from the front of themachine looking to:

Ward the rearthereoif, i

Fig. 17 1s a dlagranunatlcal rear elevatlon of the machine, and,

Fig, 18 is a horizontal section through the throat actuating); lever, onthe line 1818, Fig. 2. showing the adjustable cam roll.

Referring to the accompanyi g drawings,

1O designates a column supporting the maehine head ll WlllCh lattercarrles the oper- Sp ecification of Letters Patent.

6 is a detail frontelevation of the Patented Dec. 1918 application filedAlpirilG,1914. Seria1No.830 ,050,

ating mechanism of this machine, including a drive shaft 12, mounted insuitable bear ings thereon. The drivefshaft carries aseries of camheels, 13, 14,15 and a. beltpulley 17. AYfoot-plate or presserk foot 20is providedlwith a corrugated work;

engaging surface 21, and with a shank 22 whereby it is secured to thehead." A horn or ork support 23 of suitable construction is provided tocooperate withthe resses foot and support the Work. This 110m or Worksupport positioned inthe line of drive, that is, in thejvertical linevvherfethe nail is driven to clenched anvil.

25 provided With a guideway 26 adapte port aslide27. This'slide isconnectedhy a link 28 With a lever 29. The connection The (moimechamsmfllhehead 11 has between the slide and thelink ismade loy' a.stud 24;, screwedinto the slide. an

eccentric sleeve 30 provided With a knurled head; Which perforated toreceive an ad-f justing tool. The studis prdvided with a head '31 toclamp the sleevein position. A

stud 32 passing throughthelink 28;Thas a Washer 34 thereon between thelink and the I arm, and a square sleeve 33 sl ding n a guidevvay 37inthe arm; Thediameter of thestud is reduced as shown at 36 to form ashoulder bearing against the sleeve and this reduced part is threadedinto a nut 38 sliding in a guidewayinthe rear faceof l the arm;Thestudfhas a head 35 Whereby it may be turned to perinit adjustmfent ofrigidly secured toa stub-shaft 39 mounted into and out of the line ofdrive.

thelink 28 on thelever 29. The guidevvay in the lever 29 is on an arcofa circle hav-[ ing the link 28 asa radius. The lever29 is An awl bar 42is mounted to slideverti.

cal'l v ina bearing 43 on the slide 27, this guidevvay beinsz providedwith a bushing 4e34,"

as shovvn in Fig. 5, cl means of screws 45. The awlfbar has ampedinpositioniojr 1 swiveled thereon a block 46 engaging a" forked lever47, which is rigidlvmountedfl on shaft l8 on the machine head providedithan arm 49 having e cam rollf en Qgag ng cam groove 50 n the cam Wheel15. The awl'bar is bent laterally to form an arm 51, and a lug 52 on themachine head is formed to provide a recess 53 closed by a cap 54, so asto form a guide for the arm 51 and hold the awl bar against turning, atthe same time permitting free vertical and lateral movements thereof.The awl bar is provided with an awl 55 clamped therein in the usual way.

The cam groove 50 will, through the medium of the arms 49 and 47,reciprocate the awl vertically in its vertical bearing in the slide 27.The canr groove 41 will, through the arms 40 and 29, reciprocate theslide 27 and the awl thereon laterally to feed the work, the awl movinginto and out of the line of drive as is usual in machines of this type.The awl can be alined with the driver by adjusting the eccentric sleeve30, while the feed of the awl can be adjusted by varying the position ofthe stud 32 in the guideway 37 of the lever 29. It will be noted thatthe awl is operated positively in both directions, both when feeding andpiercing, and that the adjustments are positive.

vThe (hiring mcchanism.-A driver is clamped in a driver bar 61, whichmoves vertically in a guideway 62 on the machine head. A cam roll 63 onthe driver bar engages a cam groove. in the rear face of the cam wheel13. The driver is provided with a guide 65 of substantially the sameconstruction as shown in the patent hereinbeforereferred to. By means ofthis construction the movement imparted to the driver willbe'positive,and in view of the fact that the driver is camdriven.'the operationthereof will be silent as well as free of vibration. The cam wheel has adirection indicator thereon, as shown in Fig. 1.

The throat meoham'sm.-The machine head is bored to provide a bearing fora sleeve or hollow shank 7 O, which has integral therewith an arm 71carrying a throat 72. The sleeve has further clamped thereon an arm 73provided with a cam roll engaging a cam groove 74 in the cam wheel 14.The cam roll ismounted on an eccentric shaft or 7 pin 7 5 having aknurled head and mounted throat is clamped in position by means ofscrews 78 The throat is grooved to provide a driver passage 79. and ischanneled at 80 to receive a cutter or die plate 80 this vd ej forming apart of one of the walls of the driver passage, and being provided atitsv ends withv s ots 81 to receive screws 82 which c mp the die inposition on the throat. The th oat is further provided with ya recess 83which receives a fa tener guiding member 84 plvoted at 85 and having arib or fin 86 projecting into the driver passage as described in saidpatent. A plug 87 bears against the fastener guiding member, and

this plug is under the tension of a spring oscillate the throat so as tomove the driver passage alternately into and out of the line of drive.In order that the driver passage may be accurately alined with thedriver, the eccentric mounting of the cam roll is provided. Byadjustment of the knurledheaded cam roll pin 75 the adjustment may beperformed with great accuracy, and after this adjustment has beenobtained, the pin may be clamped so as to firmly hold the parts inadjusted position. It will be noted that the throat is moved positivelyinto and out of the line of drive, and that this throat is moved by aclosed cam, or a cam groove, which positively positions and holds thethroat in each of its positions, permitting no play and absolutelypreventing the parts from getting out of alinement or step. At the sametime, the adjustment of the cam roll permits this construction to beused. permitting accurate alinement of this throat. The cam, therefore,has an uninterrupted connection with the throat and supports the throatand the die thereon against the action of the feeding and cutting blade(hereinafter described). The construction and arrange meut of the die 80permits this die to be adjusted longitudinally to renew the cuttingsurface exposed to the driver passage and, moreover, the die can bereversed so as to utilize everv part of all of its four cutting edges.The die can, therefore, be used for a con iderable time without requ rng regrinding.

The fasten/ 1 stock guinlc.-The fastener stock guide is r gidly mountedon the end of a shaft 96. which passes through the hollow sleeve orshank 70. so as to oscillate concentrically with the throat. This guideis provided with a plate 97 having a plurality of slots 98 toreceivestrings of connected nails or fastener stock of different sizes. Aspring stop plate 99 is mounted on an arm 100. and this plate bearsagain t the plate 97 and is provided with slots 101. A pin102 is mountedon a projecting arm on the guide. and engages one end of a spring 103.the other end of which is attached at 10 to the machine head.

The shaft- 96 is reduced in diameter at 105. and has ri idly mountedthereon a sp ol 106 eng ed b the forked end 107 of a shiftlever 108.which is pivo ed at 109 on a bracket 110. having ears 111 whereby it maybe cla -med to t e machine head bv screws 112. The lever 108 is providedwith an opermounted in a bore inthe brzicketllo soles clutch liifiofiisnsl constrnctioiiis 1o to engage a wedge-shaped block institutesoperlzitedfhy a Wedge 13 6 onhciutch shifting to the m lder sideof the1cver108. 'lhisf rod 137 Thehend hi eike138isof the usnsi wedge-shapedblock, 115, is adapted to he forinsnd is peasant one end at 116011 the eihoved, intoengagenient with either one of machine head, @Whiie its freeend iscon the screw stops 116, sdjustshiylinounted in nected slink 1 17pivotsllyconneeteci to 7 upwardly extendingspacecthgs 117 onfsn enfsrh1148,integrelitith en srm 139, piv-. extension 118 of the bracket110. h The shrew stedf st 1 16 slid connectedto the clutch rod stops 116are provided with lockdinte 1'19 137 JThe arm 139 1 83115 rigidly coniected to lock them in adjusted positions. hspring therewith jsrm 140providedfwith a ceni t 120 besrsat onelend against thespoo1106rollfbearing on scam 1 1101; thelcztm Wheel so and at the other endagainst the machine 165,} opcrttioeotthis clutch and brake head. j fmechanism is wen known. whex itheclntchi The fastener stock guide, hichis pivoted 1 rod l Tisraised thefleOis first thrown concentrically withthe throat, is adapted ontvterdlyend the hr-skefiwleased, end the) tooscillate, and the spring 103 normally wedge liwh therezifter throwinthe clutch? tends to move this guide in a clockwise direc- If theclutch treadle "is now released, the 'tion, Fig. 1. This guide canbeshifted latcs n roll on the arm 1 10 willhearionlthe high erally toposition either of the grooves 98 in part of the cam and permit themeninges siinement with the driver passage inthe continne in operationnntihthe low psrthf throat. Thus, in the position of the parts as thegain is reached, The cam 1-011 will th n shown in the drawings, theright-hand drop; on this low part of thecam endicsuse' groove, Fig. 9,is positioned inhalinement the clutch rod spring (not-shown) t9 applywith the driverpassage. The lever 108 is, thebrake. t it at this time,in position with the Wedge Anerlin1e2 of a bellhrtinl; lever, pivotedblock 11-5 in engagement with the right stop, on the machine heed, hesitconnection vithf Fig. 5. Thepsrts Willbe heldin this posishorhcontrolling rod l43,end the other tion by means of the Wedge-shapedblock arm 1% of the bell crank lever hes a cam 11 1Q1n order to shifttheguide to position roilfkengeging s cam groove 1 15 in the cani theleft-hand groove 98 in eiinenient with Wheel 16; The horn controllingmechanisin the drivel passage, the lever 108is moved to maybe of theusual construction, and furf the left, Fig. 5, so as tothrovv the blockther description wilhtherefore, hennneces-h in;eng ageine1itwiththeflefti stop 116k saw; i e This will move the shaft 96tothe ri ghtS inmmg of 0pemtz'on.--The ge erat s end position the guide inthereqiiired "posi erstion of this machine isthe same as the tion. Asthe lever is moved to the left, the mechine ofthe patent referred to,"During 105 block 11 1 vviii yield. and willvthensnap 0nthecycleofoperetions the avid wiilbe moved the other side of theiilOClQlltiSOfiS to again dowmvsrd lv by the c in 50 to niercethe securethe imrtsin adjusted position! Either Work, and theswl barand siidentillhe then of the grooves 98 may he alined \vith rmovedlaterelly to feedthework nntiljthe syect to the driver nssssge h ed'ustinent i i c,

mounted in hearings on the schm head tot-the teedigig cuttinginemheiflis the messes i;

sting handle 118, which extendsdownvvardly so as to be convenient foropera-sunfis the right sideof the machine. A Wedge shaped spring pressedsiide block 114 is] positive and satisfactory;

awIt-itselfhis placed in the line of drive; of the proper stop, and thisadjustment may f which in this case, isin eiinement with the; beindependent tor each groove. 13v piecing idriver, which is st this timeraised. *jThe" a springdQQ between the gnideysheft and; iawlwillthenbwii isedout of-the workyarid the machine head, the end playflo'fparts is; kept rconstant and on one side and in one direction. I, e

The feeding (moi cuttingme0hmtismr it lever is rigidly connected toshaft 126;

to thciight and hecktoits erigihel position. ;Dn17in.gthe feeding inovenentof the ewl,

drive nnd 4 tr theection of its cam 7 4;. pun-" ing the retnr movementof thehiivl andhavingien :11111127 provided iths Citififl ithiOfltW beIlPW back 1 1 roll engaging csm groove i28 inthehchm ,dr vc by its cam,and thereafter th feedmg whee]; 15, An arm; is"pivotedYto"the arm 12:;at 130, slid the arm is provided wa y yt x ml28 r t feed a with ssnringpressed plug 131 bearino-fllnsil into the throat, and then; movelaterally against a? 1.1153132 mthe ar 129. e The end fw1t1f rpspecttothe thro to cut ft He l of the mm 129 has clamped therein acnttei' so pdSlt ted: The feeding and cutting zu'm'froin a hlosed cein, steamy ismscon:

the thirost will {be moved out of theline of and cutting member 133 Willhe moved blade of suhstnntiahythe semeconstnuction: 1118111113612 flflff fi i kLpi twiuw as descrihed in said instent. The operationthei'eafheif return bflOllginai posltlons, and

seine as in. said patent. By operating this positioned in the throat. Inthis machine, as {in the machine of the patent, an abrupt bend is formedon the end of the nail so as to predetermine the direction of theclench, in a .manner fully described insaid patent.

Itwill be noted that in this machine all parts are driven byclosed cams,which not only results ina positive operation of the parts, but also ina positive relation and correlation of the parts. Both the awland thethroat are, therefore, moved positively into andout ofthe line ofdrive.The connections to the awl and the throat are so correlated, on accountof the positive uninterrupted connections .between the driveshaft-andthese two movable parts, that the awl andthethroat will followone another in a predetermined relation, irrespective of the speedoftheinachine. It is thus positively insured thattheawl and the driverwill alternately be positioned into and out oftheli-ne of drive,withoutliability of slipping, and without-liability ofthese movable.

members getting cut of step relatively. This is essential in a machineofthis type which operates at, a high speed, and in which the nailsmovefrom one positionto another in the machine. The parts cannot. only beadjusted for nails of d'i'fi'erent sizes, but

these parts can also adjusted relatively to bring the elements into.accurate relation.

Y It'is obvious that various changes maybe made in details ofconstruction without departing from the spirit of this invention,

and it is, therefore, to be understood that.

this invention is not to be limited to the specific construction shownand described.

Havingthus describedthe invention what s. cl imed s 1- In. a fastene insrt ng h n he combination with a laterally fixed driver and ala'terallymovable work feeding awl, of a fastener guiding throat mounted to swinginto and out of the line of drive, and operatingmeans having continuousengagement with said throat for positively moving said: throat in both 1directions.

2. In, a fastener inserting machine, the combination with a laterallyfixed driver and alaterally movable work feeding awl,

fiqia rat sa with a .la aslly fir i s and a laterally movable workfeeding awl, of a fastener guiding throat mounted to swing into and outof the line of drive, and means operated by a groove cam and connectedwith said throat for positively moving said throat in both directions.

5. In a fastener inserting machine, the combination with a laterallyfixed driver, of a fastener guiding throat mounted to swing into and outof the line of drive, awl mechanism including an awl movable into andout of the line of drive, and operating means independent of said awlmechanism for moving said throat in both directions.

6. In a fastener inserting machine, the combination with a laterallyfixed driver. of a fastener guiding throat mounted to swing into and outof the line of drive, awl mechanism including an awl movable into andout of the line of drive, and operatin means independent of said awlmechanism for positively moving said throat in both directions.

7. In a fastener inserting l'l'lElClllllO, the combinationwith alaterally fixed driver, of a fastener guiding throat mounted to swinginto and out of the line of drive, awl mechanism including an awlmovable into and out of the line of drive, and independent operatingmeans for positively moving said throatand awl in both directions.

8. In a fastener inserting machine, the combination with a laterallyfixed driver, of a fastener guiding throat mounted to swing into and outof the line of drive, awl mechanism including an awl movable into andout of the line ofdrive, and independent operating means .havinguninterrupted connections with said throat and awl for positively movingsaid parts in both directions.

9. In a fastener inserting machine, the combination with a laterallyfixed driver and a laterally movable work feeding awl, of a fastenerguiding throat mounted for movement into and out of the line of drive,means for supplying fastener stock to said throat, a cutter for severingthe fastener stock, and means having uninterrupted connection with saidthroat for positively moving said throat in both directions.

10. In a fastener inserting machine, the combination with a laterallyfixed driver and a laterally movable work feeding awl, of a fastenerguiding throat mounted for movement into and out of the line of drive,means for supplying fastener stock to said throat, a cutter cooperatingwith said throat tocut the fastener stock, and means other than the awlor its carrier for positively moving said throat adapted to support saidthroat against the action of said cutter.

11. In a fastener inserting machine, the combination with a laterallyfixed driver and a laterally movable work feeding awl, of a fastenerguiding throat mounted for movement into and out of the line of drive,

throat, a cutter coeperating with saidthroat a Wane means for supplyingfastenerstock to said to cut the fastener stock, and means other thanthe awhor its; carrier for positively moving said throat in bothdirections, adaptof said cutter.

ed to support said throat against the action 12.111 a fastener insertingmachine, the combination With a laterally fixed driver and a laterallymovableavorl; feedlng aWl,

019 a fastener guiding throat mounted for movement into and out; of theline of drive, means for supply ng fastener stock to Stt'ltl throat, acutter coeperatlng with said throat to cut the fastener stock, and meanshaving uninterrupted connelctionfwithi said throat, fon positively,moving said throat, adapted tosupport said throat against the action ofsaid cutter.

13. In a fastener inserting machinathe combination With alaterallvffixed driver and a laterally movable vvorkfeedinga vvl, ot afastener guiding throat mountedfor movement into and out of the line ofdrive, means in supplying fastener stock to said throat, a cuttercob'perat ingvvith said throat to cut the fastener stock, andmeanshaving uninterrupted connection Wltli said throat for positively movingsaid throat in both directions, adapted tosupport said throat againstthe action of said cutter. e i

14:. In a fastener inserting machine, the

combination with a laterally fiXeddriver and a laterally movable orkfeeding avvl, of fastenerguiding throat mounted to swing into and out ofthe line of drive, means for supplying fastener stock to said threat, acutter cooperatingvvith said throat to cut the fastener stock, and camoperated means other than the'avvl or its carrier for positively niovingsaid throat, adapted to cutterf i a i a 15. In a fastener insertlngmachine, the combination with alaterally fixed driver,0f a fastenerguiding throat mounted for movesupportsaid throatagainst the actionofwent into and out of the line of drive, aWl

feed mechanism including anavvl movable 1nto andout of the llneof drlve,means for Y supplying fastener' stock to said throat, a

cutter for severing the fastenerstoclt, and means havlngunlnterruptedconnection w th in both directions.

said throat for positively lnoving saidthroat 16, In a fastenerinserting machine, the combinationfwith a laterally fixed driver, of

a fastener guiding throat mountedfor move ment into andout of 1311811118of drive, avvl feed mechanism including an inovable mm and out of the111160fClP1VG,lT1%1IiS for supplying fastener stock to said throat, acutter cooperating with said throattocut the fastener stock, and meansother than,

the .aWl orits carrier for positively of Ithei line of drive, amovableffastener stock guide coiperating With? sa1dthroat,fa feeding andcu tt1ngme1nber coiiperatlng throat againstthe action of said cutter.ff, l7. 1 121 fQSlZQHQlf iIEQPlHDg maclnneythe; combination with alaterally fixeddrlver of ing: said, throat adapted to supportfisaid afastener guiding throat mounted to svving into and out oflthe line or drve, aw1f70 a feed mechanism including aa momma into and out of the l neof dr ve, means for supplying fastener "stock to, said throat, a i

cutter coeperating With saidthroat to cut the fastener stockyandcainoperated ineaiis ing and cutting memberfcoeperatingWith saidthroat and guide tofeed and cut the fastener stock,and meanshavinguninten rupted connection with said throat for posi tively movinga said throat in both directions.

1 19'. In jafastener inserting inachineytlie 9o c0mbinatio1rvvith alaterally fined "driver and a laterally movable Work feedlng avvl, of athroatmounted to swing into and out 'ivithsaid throat and guidetoteedand the fastener stock, and meansbther thantlie and or its carrierforvpositivelyidoving,

against the action of said cutter.

1 20. In a fastener inserting machine, the

said throat adapted to supportfsaid throat combination with fastenerdriving i a throat inountedto sw ngfinto"andvout "off, a 1 thehne ofdr1ve,a sw ngingfastener stock os guide, javvl feed mechanism, includingan;

awlfinovable into andout of the linei' iof drive, andmeanshavinguninterrupted m s positively rnovf nection with said throat foring said throat in bothdirections. y 21. In a fastener inserting maehmythe combination with fastener driving means, 1 i i l of a throatmounted to swing-[into andout of the line of drive, a swingingfasteneran avvl movable intofandbut the lineof drive, and means independe t fmechanism for positively meving inboth directions. 1

22. 111 a fastener insertiiigjfniachine, the

combination with fastener drivingwineans, of athroat mounted for incement into and out of the line of dr1ve, a gu de fora, string,

of connected fasteners, feedi rancbfcuttingf means constructed andiarranged wengage; I525 i the head ef a fastener on the stringhlitl feelthe string into said throat, and coeperat w h aid rone at hes f i st riti f In a fastener insertingmachine,the to stock 'uide awl feedmechanism*includiu 11s l g a M, h

acut fastener in'said' throat, a work feeding awl, and means havinguninterrupted connection with said throat for moving said throat intoand out of the line of drive.

23. In a fastener inserting machine, the combination with a laterallyfixer driver, of athroat mounted for movement into and out of the lineof drive, a guide for a string of connected fasteners, feeding andcutting means constructed and arranged to engage the head of a fasteneron the string and feed the string into said throat, and cooperatewithsaid throat to cut the string to position a' cut fastener in saidthroat, a work feeding awl, and means other than the awl or its carrierfor moving said throat constructed and arranged to support said throatagainst the action of said feeding and cutting means.

24. In a fastener inserting machine, the combination with fastenerdriving means, of a throat mounted for movement'into and I out ofthe'line of drive, a guide for a string of connected fasteners, feedingand cutting means constructed and arrangedto engage the head of afastener on the string and feed of. connected fasteners, feeding andcuttingmeans constructed and arranged to engage the head of a fasteneron the string and feed the string into said throat, and'coopcratewithsaid throat to cut the string to position a cut fastener in saidthroat, a Work feeding awl, anda cam exclusive of the awl and itsactuating mechanism for moving said. throat constructed and arranged tosupport said throat against the action ofsaid feeding and cutting means.

26. In a fastener inserting machine, the combination with fastenerdriving means, of a throat mounted for'movement into and out ofthe lineof drive, a guide for a stringof connected. .fasteners, feeding andcutting means constructed and arranged to engage the head of a fasteneron the string and feed thestringintosaid throat, and cooperate Withsaid'throat: tocutthe string to position a cut fastener in said throat,a work feedingavvl, and a cam for positively moving said throat in bothdirections, constructed and arranged to support said throat against theaction of said feeding and cutting means.

27. In a fastener inserting machine, the combination with fastenerinserting means, of a throat mounted to move into and out of the line ofdrive, a work feeding awl, a movable fastener stock guide cooperatingwith said throat, means independent of said awl for positively movingsaid throat in both directions, and a spring for moving said guide.

28. In a fastener inserting machine, the combination with fastenerinserting means, of a throat mounted to move into and out of the line ofdrive, a work feeding awl, a movable fastener stock guide, a feeding andcutting member cooperating with said guide and said throat, means otherthan the awl or its carrier for moving said throat constructed andarranged to support said throat against the action of said feeding andcutting member, and means for yieldingly sustaining said guide againstthe action of said feeding and cutting member.

29. In a fastener inserting machine, the combination with fastenerdriving means, of a throat mounted to swing into and out of the line ofdrive, a work feeding awl, a fastener stock guide mounted to swing withrespect to said throat, a feeding and cutting member cooperating withsaid guide and said throat, means other than the awl or its carrier formoving saidthroat constructed and arranged to support said throatagainst the action of said feeding and cutting memher, and means foryieldingly sustaining said guide against the action of said feeding andcutting member.

30. In a fastener inserting machine, the combination with a machinehead, of a slide thereon, an awl mounted for movement on said slide,means for operating said slide, and a connection between said operatingmeansand said slide, adjustable to aline said awl with respect to theline of drive.

31. In afastener inserting mach-inc, the combination with a machinehead, of a slide thereon, an awl mounted for movement on said slide,means for operating said slide, and a connection between said operatingmeans and said slide, comprising an eccentric adjustable to aline saidawl with respect to the line of drive.

32. In a fastener inserting machine, the combination with a machinehead, of a slide thereon, and awl mounted for movement on said slide,means for operating said slide, and a connection between said operatingmeans and said slide, comprising a pivot and an eccentric sleeve on saidpivot, adjustable to aline said awl with respect to the line of drive.

33. In a fastener inserting machine, the combination with a machinehead, of a slide thereon, an awl mounted for movement on saidslide,means for operating said slide, and a connection between said operatingmeans and said slide comprising meansfor permittingadjusting movementof) said slide to varythe feed of the awl,.ari'd means for adjustingsaidslide to aline the awliwith respect to thelineofdrive. i

p 34;. In a fastener inserting machine, the combination with a machinehead, ofa slide thereon, an awl mounted for movementon .said slide, alever forwoperating saidslide,

a link connecting said slide and lever, and. aneccentric pivotalconnection between said link and said slide constructed and arranged toaline said awl with respect to the lineof drive. i a a 35. In afasteneninserting machine, the

. combination with a machine head, of aslide thereon, an awl mounted formovement on sald slide, a lever IOIOPQIiLtlHg sald slide, a linkconnecting sald slide and lever, an adjustable sliding connectionbetween said link and lever constructed'and arranged to permitadjustment ofthe feed of the awl, and 1 an eccentric pivotalconnectionbetween sald link and said slide constructed and arranged toaline saidawl with respect to theline of drive. a

36. In a fastener inserting machine, the

38. In a fastener inserting machine, the

combination with fastener insertingmeans, of a throat pivoted to swinginto and out of the line of drive, a fastener stock guide pivotedconcentrically with respect to said throat for guiding a plurality ofstrands of fastener stock, and means for shifting said guide withrespect to said throat.

39. In a fastener inserting machine, the combination with fastenerinserting means,

of a throat pivoted to swing into and out of theline of drive, afastener stock gu de havin g a shaftconstructed and arranged to pivotthe same concentric with respect to said,

throat, and means engaging said shaft to shift said guide with respectto said throat.

40. In a fastener inserting machine, the

combination with fastener insertingmeans, of a throat mounted to moveinto and out of the line of drive, a movable fastener stock guide forguiding a plurality of strands of fastener stock, stops for positioningsaid guide in a plurality of positions with respect to 1 said throat,and ray: spring for taking up the lost motion ofsaidguide. We 41.; Inafastener inserting. machine, the colnbinationw ith a machine head, andfastoner inserting means. thereon, of ;a throat havinga shank mountedfinsaid hea d topi v; I ,otallyi support saldsthroat for movementinto and,out of the; line of drive,a fastener stock guide having a shaftextending through said th n nd ea s me s es said shaft for shiftingsaid, guide with respect to said 42. I11 a fastener, inserting maehine,a throat having a yfastener stock-receiving passage, and die n lounted.on said, throat to. complete said passage, and means permittinglengthwise adjustment of said die totexpose difierent portions thereofto said sage, andfa reversible die mountedon said throat to completesaid passage, and means permitting lengthwise adjustment and reversal ofsaid die, to expose different portions thereof tosaidipassage. p

44. In a fastener inserting machine, the combination withia laterallyfixed driver and a laterallymovable work feeding awl, .ofa throatmountedto move into .andqout of the line of drive, operatinglmeans haw inguninterrupted connection with a, said thro' ttfor moving saidthroatgandmeans .fonjahning said throat with the line of drive. 45. In a fastenerinserting machine, the combination with a laterally fixed driver andjalaterally movable work feeding awl,

of a throat mounted to move into and out of the line of drive, operatingmeans having uninterrupted connection with said throat formoving saidthroat, and means in the connection between said operating means.

a fasteneninserting machine, a throat having a fastenerstoclcrece vlngpasand said throat for alining said throat with the line of drive.

{46. In a fastener inserting machine, the combination vwithla laterallyfixed driver and-a laterally] movable work feedingawl, of ,a throatmounted to move into and out of the line of drive, operating meanshaving uninterrupted connection with said throat -for movlng saidthroat, and means having uninterrupted connection withsaid throat throatwith theline of drive.

47. In a fastener inserting machine, the combination with a laterally.fixed driver and a laterally movable work feeding awl, of a throatmounted to move into and out of the line of drive, a cam, and a cam rollengaging said cam and adjustably connected with said throat to alinesaid throat with the line of drive. i i a i 48. In a string-nailingmachine, the combination with a horn or Work support posiandsaidoperating meansfor alining said tioned in the line of drive, of aWork feeding awl,a driver, a nail guiding throat, means forguiding astring of connected nails into said throat, feeding and cuttingmeansgcon- 'str'ucted and arranged to feed the string into said throatby engagement with the head of a nail on the string, and constructed andarranged to cut the end'nail from the string, adapted to position a cutnail in said throat, and means constructed and arranged to move andpositively insure the movement of said and and said throat alternatelyinto and out of the line of drive.

49. In a string-nailing machine,-the*c'ombination with a horn or orksupport-positioned in the line of drive, of a WOIkfGGding awl, a driver,a 'nail guiding throat,

means 'for guiding a string of connected nails into said throat, feedingand-cutting means, constructed and arranged to feed the string into saidthroat by engagement with g the head of a nail on the string,'and coningthroatymeans for-g alstrinlg (of connected nails into said throat,feeding 1 and cutting means, constructed and arranged to feed the stringinto saidthroat by engagement with the head of a nail on the string, andconstructed and arranged to cut the end-nail from the string, adapted toposition a cut nail insaid throat, and means operated from said driveshaft constructed and arranged to positively more said awl and saidthroat alternately into and out of the line of drive.

51. In a stringmailing machine, the combination with a horn or worksupport positioned in the line of drive, of a work feeding aWl, adriver,a nail guiding throat, means for-guiding a string of connected nailsinto said throat, feeding and cutting means, constructed and arranged tofeed the string into said throat by engagement with the head of a nailon the string, and constructed and arranged to cut the end nail from thestring, adapted to position a cut nail in said throat, and means havingcorrelated uninterrupted connections with said awl and said throatconstructed and arranged to move said awl and said throat alternatelyinto and out of the line of drive.

In testimony whereof I aflix my signature -in the presence of these twoWitnesses.

STEPHEN A. DOBYNE.

Copies of this patent-may be obtained for five cents each, by addressingthe Commissioner of rateuts, Washington, D. 0.

